| 其他書名 | An Account of John Patten, Trader, Arctic Explorer, and Map Maker; Charles Swaine, Author, Trader, Public Official, and Arctic Explorer; Theodorus Swaine Drage, Clerk, Trader, and Anglican Priest |
| 出版 | University of Pittsburgh Press, 1949 |
| URL | http://books.google.com.hk/books?id=HsIEAAAAMAAJ&hl=&source=gbs_api |